Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    11/11/2023, 21:54

General

  • Target

    4f0fa6207ce60dc0e8492b78ed4a7d1783335a7923a277bcceb529f1e99b4eb1.exe

  • Size

    86KB

  • MD5

    dced222b67095f250f7dcf30f764d474

  • SHA1

    35fe92130a58fa324e2aba06037686023fffe976

  • SHA256

    4f0fa6207ce60dc0e8492b78ed4a7d1783335a7923a277bcceb529f1e99b4eb1

  • SHA512

    872ddbb28c7ef50730657f89750c304c326e98781766299459793a702af609f032662d94118660a75dc28958a816cc375d7d5405c9facd7c1bb2b8bd4893c5e5

  • SSDEEP

    1536:cMfgLdQAQfcfymN+Rgg2VkS9fukSaErDY1TpRPj+PxI:cMftffjmN319xG/YTRPOxI

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1276
      • C:\Users\Admin\AppData\Local\Temp\4f0fa6207ce60dc0e8492b78ed4a7d1783335a7923a277bcceb529f1e99b4eb1.exe
        "C:\Users\Admin\AppData\Local\Temp\4f0fa6207ce60dc0e8492b78ed4a7d1783335a7923a277bcceb529f1e99b4eb1.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:1856
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a3F80.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:3044
          • C:\Users\Admin\AppData\Local\Temp\4f0fa6207ce60dc0e8492b78ed4a7d1783335a7923a277bcceb529f1e99b4eb1.exe
            "C:\Users\Admin\AppData\Local\Temp\4f0fa6207ce60dc0e8492b78ed4a7d1783335a7923a277bcceb529f1e99b4eb1.exe"
            4⤵
            • Executes dropped EXE
            PID:2532
        • C:\Windows\Logo1_.exe
          C:\Windows\Logo1_.exe
          3⤵
          • Executes dropped EXE
          • Enumerates connected drives
          • Drops file in Program Files directory
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2616
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2776
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2512

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe

        Filesize

        251KB

        MD5

        9a77c06c3deda85017d76e0931e5df72

        SHA1

        f71d8d065c61287fd579f3d2a0af12c0a2730a69

        SHA256

        111400fbaa05b63d2839be7549b95b73e196af315087fc35cb5c30dc0d0ca266

        SHA512

        77a50ad74438c5c99ff0502a0c0a709a4b85b42f30f75ec7566bcf81a7ecb7e4a620c69c651a892516c4866a19ce4b2c310addfcbba3f0f9bdec19cf828e397c

      • C:\ProgramData\Package Cache\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\vcredist_x64.exe

        Filesize

        471KB

        MD5

        0f72a6e8750ea6e1cd0ed4994d2cf99d

        SHA1

        7c401c8b70a17e039f6a27e4067d2cab52029234

        SHA256

        da1cf6b49885d6c3313e3b3301e2df8399d3855d1ea6606a7cb1b376e4c0645c

        SHA512

        a301d119dc0a8fdd4fc8788d3de471f6e44837030d62440e6d0f314f369def18d6999437aced29c4992443c061e11cd3b680fcf7ec10b79d1acf54693f30744e

      • C:\Users\Admin\AppData\Local\Temp\$$a3F80.bat

        Filesize

        722B

        MD5

        93dc7ee41dc6b21fafb7792abbc4fed3

        SHA1

        61f545b49ec3d5045f893b162202af7e44b84cdb

        SHA256

        5eec395e90e7e1a9ab00eeaffedaefd78df42acd9271f00aa3ec2aed2d9362c6

        SHA512

        c96e6493382bc4505a4cd14e9a5015879f77d2e8570e38fc1db45884ee3df2b07eeb2d16e7251b54b44272d6c6882bdb9fd911da561dfec97b6a69e97c47700f

      • C:\Users\Admin\AppData\Local\Temp\$$a3F80.bat

        Filesize

        722B

        MD5

        93dc7ee41dc6b21fafb7792abbc4fed3

        SHA1

        61f545b49ec3d5045f893b162202af7e44b84cdb

        SHA256

        5eec395e90e7e1a9ab00eeaffedaefd78df42acd9271f00aa3ec2aed2d9362c6

        SHA512

        c96e6493382bc4505a4cd14e9a5015879f77d2e8570e38fc1db45884ee3df2b07eeb2d16e7251b54b44272d6c6882bdb9fd911da561dfec97b6a69e97c47700f

      • C:\Users\Admin\AppData\Local\Temp\4f0fa6207ce60dc0e8492b78ed4a7d1783335a7923a277bcceb529f1e99b4eb1.exe

        Filesize

        60KB

        MD5

        ccb852904a2216c1d110d475009c5182

        SHA1

        2319964fea08b7ff95e14aeb6614ebf25a18796c

        SHA256

        6e16f4691a0c3250c8fcce465827c4996611229c2e74abc40c280afc1582831c

        SHA512

        ab946559c55cc3f90046cc85b02635cd7c3aa9fa137d905c8c621a0697f3f37774e45ff440430107245c5e3bebe167511d9156adb6ae538f87a00d8c8631cb1f

      • C:\Users\Admin\AppData\Local\Temp\4f0fa6207ce60dc0e8492b78ed4a7d1783335a7923a277bcceb529f1e99b4eb1.exe.exe

        Filesize

        60KB

        MD5

        ccb852904a2216c1d110d475009c5182

        SHA1

        2319964fea08b7ff95e14aeb6614ebf25a18796c

        SHA256

        6e16f4691a0c3250c8fcce465827c4996611229c2e74abc40c280afc1582831c

        SHA512

        ab946559c55cc3f90046cc85b02635cd7c3aa9fa137d905c8c621a0697f3f37774e45ff440430107245c5e3bebe167511d9156adb6ae538f87a00d8c8631cb1f

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        8a4489d73e1b8863df81ab298116b9e7

        SHA1

        420e27433a94aa75f5b37f7395d3dc67adf88591

        SHA256

        92dd20179d09a6e58d7ad5f27080e275b9fa3e9922168e9f1710e2d711eaa3cc

        SHA512

        5ef22e387cc71bc74043e25cd61fdfc641a44053c07a9023fe4fa57b7c5a8c4cfaae418f70b7f554263e618c5b6867a9c6abc959d31a4f76091b79c5b0e56ebf

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        8a4489d73e1b8863df81ab298116b9e7

        SHA1

        420e27433a94aa75f5b37f7395d3dc67adf88591

        SHA256

        92dd20179d09a6e58d7ad5f27080e275b9fa3e9922168e9f1710e2d711eaa3cc

        SHA512

        5ef22e387cc71bc74043e25cd61fdfc641a44053c07a9023fe4fa57b7c5a8c4cfaae418f70b7f554263e618c5b6867a9c6abc959d31a4f76091b79c5b0e56ebf

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        8a4489d73e1b8863df81ab298116b9e7

        SHA1

        420e27433a94aa75f5b37f7395d3dc67adf88591

        SHA256

        92dd20179d09a6e58d7ad5f27080e275b9fa3e9922168e9f1710e2d711eaa3cc

        SHA512

        5ef22e387cc71bc74043e25cd61fdfc641a44053c07a9023fe4fa57b7c5a8c4cfaae418f70b7f554263e618c5b6867a9c6abc959d31a4f76091b79c5b0e56ebf

      • C:\Windows\rundl132.exe

        Filesize

        26KB

        MD5

        8a4489d73e1b8863df81ab298116b9e7

        SHA1

        420e27433a94aa75f5b37f7395d3dc67adf88591

        SHA256

        92dd20179d09a6e58d7ad5f27080e275b9fa3e9922168e9f1710e2d711eaa3cc

        SHA512

        5ef22e387cc71bc74043e25cd61fdfc641a44053c07a9023fe4fa57b7c5a8c4cfaae418f70b7f554263e618c5b6867a9c6abc959d31a4f76091b79c5b0e56ebf

      • F:\$RECYCLE.BIN\S-1-5-21-3618187007-3650799920-3290345941-1000\_desktop.ini

        Filesize

        10B

        MD5

        f51c3552f0c301ae8d98c7fba5088597

        SHA1

        b74920b9332b7ddc34e3d793215d6d402dfa265e

        SHA256

        d9d5ad4ac9b545fe611f501ffb102acad318e4d1e5648061eda6ff03ffc3e3a1

        SHA512

        281662d4c7abe512da2489431bb4ad36d979fd441654ec1212af9274dc7b0ea666111c52f1ee842adde37cbb51a8fe095091b52ad824cfdf4516f2f08232eb81

      • \Users\Admin\AppData\Local\Temp\4f0fa6207ce60dc0e8492b78ed4a7d1783335a7923a277bcceb529f1e99b4eb1.exe

        Filesize

        60KB

        MD5

        ccb852904a2216c1d110d475009c5182

        SHA1

        2319964fea08b7ff95e14aeb6614ebf25a18796c

        SHA256

        6e16f4691a0c3250c8fcce465827c4996611229c2e74abc40c280afc1582831c

        SHA512

        ab946559c55cc3f90046cc85b02635cd7c3aa9fa137d905c8c621a0697f3f37774e45ff440430107245c5e3bebe167511d9156adb6ae538f87a00d8c8631cb1f

      • memory/1276-29-0x00000000029A0000-0x00000000029A1000-memory.dmp

        Filesize

        4KB

      • memory/1856-12-0x00000000002D0000-0x0000000000304000-memory.dmp

        Filesize

        208KB

      • memory/1856-0-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1856-16-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2616-38-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2616-44-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2616-90-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2616-96-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2616-195-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2616-1849-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2616-21-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2616-3309-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2616-31-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB